1.
Find a solution to the equation using backtracking.
8
b
– 5 = 19
A.
b
= –2
B.
b
= 2
C.
b
= –3
D.
b
= 3
Hint
2.
Find a solution to the equation using guess-check-and-improve.
A.
n
= 1
B.
n
= 2
C.
n
= 7
D.
n
= 6
Hint
3.
In a bag of 53 cherry and watermelon-flavored candies, there are 19 more watermelon than cherry candies. How many cherry candies are there?
A.
34
B.
36
C.
19
D.
17
Hint
4.
Nine more than a number is the same as 18 less than 4 times the same number. Write an equation that models this statement.
A.
y
– 9 = 4
y
– 18
B.
y
+ 9 = 4
y
– 18
C.
y
– 9 = 18 – 4
y
D.
y
+ 9 = 18 – 4
y
Hint
5.
Nine more than a number is the same as 18 less than 4 times the same number. What is the number?
A.
y
= 9
B.
y
= 8
C.
y
= –8
D.
y
= –9
Hint